In queuing systems resource pooling refers to when all customers wait in one line for the first available from a shared set of resources as opposed to choosing from separate lines for each resource. Which of the following statements regarding resource pooling is FALSE? A drawback of pooling can be decreased location convenience and increased travel times for customers. A drawback to pooling is that repeat customers may prefer a consistent point of contact. Pooling is most effective when pooling very different types of customers. Pooling always reduces average wait times over all customers. Pooling requires flexible resources including machines and employees. Variability in a system can come from both the arrival process (demand side) and the service process (supply side). Which of the following sources of variability is NOT correctly matched to arrival vs. service process? Rework and scrap: Service process Inbound shipping delays: Service process Resource availability, e.g. machine breakdowns and absentee workers: Service process Customer behavior, e.g. tardiness \& no-shows: Arrival process Random product mix: Arrival process